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57 lines
1.4 KiB
Lua
57 lines
1.4 KiB
Lua
--
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-- (C) 2013-23 - ntop.org
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--
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dirs = ntop.getDirs()
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package.path = dirs.installdir .. "/scripts/lua/modules/?.lua;" .. package.path
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require "lua_utils"
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local json = require ("dkjson")
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local rest_utils = require("rest_utils")
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--
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-- Resolve a name
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-- Example: curl -u admin:admin -H "Content-Type: application/json" -d '{"hostname" : "www.google.com"}' http://localhost:3000/lua/rest/v1/get/dns/resolve.lua
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--
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-- NOTE: in case of invalid login, no error is returned but redirected to login
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--
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local rc = rest_utils.consts.success.ok
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local res = {}
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local hostname = _GET["hostname"]
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if isEmptyString(hostname) then
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rest_utils.answer(rest_utils.consts.err.invalid_args)
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return
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end
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if string.find(hostname, '://') then
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-- Looks like an URI, strip the scheme
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local uri_info = string.split(hostname, "://")
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if #uri_info == 2 then
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hostname = uri_info[2]
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end
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end
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if string.find(hostname, ':') then
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local host_port_info = string.split(hostname, ":")
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if #host_port_info == 2 then
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-- Looks like host:port, strip the port
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hostname = host_port_info[1]
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end
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end
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local resolved = ntop.resolveHost(hostname, true --[[ IPv4 --]])
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if not resolved then
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resolved = ntop.resolveHost(hostname, false --[[ IPv6 --]])
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end
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if not resolved then
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rest_utils.answer(rest_utils.consts.err.resolution_failed)
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return
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end
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res = resolved
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rest_utils.answer(rc, res)
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